/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AbstractInterpretationC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain -i ../../../trunk/examples/svcomp/systemc/pc_sfifo_3.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 07:12:31,335 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 07:12:31,337 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 07:12:31,349 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 07:12:31,350 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 07:12:31,351 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 07:12:31,352 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 07:12:31,354 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 07:12:31,356 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 07:12:31,356 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 07:12:31,357 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 07:12:31,358 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 07:12:31,359 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 07:12:31,360 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 07:12:31,361 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 07:12:31,362 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 07:12:31,363 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 07:12:31,363 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 07:12:31,365 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 07:12:31,367 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 07:12:31,368 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 07:12:31,369 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 07:12:31,370 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 07:12:31,371 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 07:12:31,373 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-07 07:12:31,376 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 07:12:31,377 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 07:12:31,378 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 07:12:31,378 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 07:12:31,379 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 07:12:31,379 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 07:12:31,380 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 07:12:31,380 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 07:12:31,381 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 07:12:31,382 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 07:12:31,382 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 07:12:31,383 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-07 07:12:31,403 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 07:12:31,403 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 07:12:31,405 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 07:12:31,405 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 07:12:31,405 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 07:12:31,405 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 07:12:31,406 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 07:12:31,406 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 07:12:31,406 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 07:12:31,406 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 07:12:31,406 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 07:12:31,407 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 07:12:31,407 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 07:12:31,408 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 07:12:31,408 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 07:12:31,408 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 07:12:31,408 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 07:12:31,409 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 07:12:31,409 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 07:12:31,409 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 07:12:31,409 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 07:12:31,410 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 07:12:31,410 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 07:12:31,410 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 07:12:31,410 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 07:12:31,410 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 07:12:31,411 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 07:12:31,411 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 07:12:31,412 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain [2019-11-07 07:12:31,731 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 07:12:31,743 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 07:12:31,747 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 07:12:31,748 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 07:12:31,748 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 07:12:31,749 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/pc_sfifo_3.cil.c [2019-11-07 07:12:31,819 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b9f8e58b/3d058ae40a364d1cad563c0b9c4ba68b/FLAGfc0a17873 [2019-11-07 07:12:32,315 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 07:12:32,317 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/pc_sfifo_3.cil.c [2019-11-07 07:12:32,330 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b9f8e58b/3d058ae40a364d1cad563c0b9c4ba68b/FLAGfc0a17873 [2019-11-07 07:12:32,722 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b9f8e58b/3d058ae40a364d1cad563c0b9c4ba68b [2019-11-07 07:12:32,735 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 07:12:32,736 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 07:12:32,741 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 07:12:32,741 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 07:12:32,744 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 07:12:32,745 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:12:32" (1/1) ... [2019-11-07 07:12:32,749 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19c3612a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:12:32, skipping insertion in model container [2019-11-07 07:12:32,749 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:12:32" (1/1) ... [2019-11-07 07:12:32,757 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 07:12:32,810 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 07:12:33,035 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 07:12:33,042 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 07:12:33,173 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 07:12:33,199 INFO L192 MainTranslator]: Completed translation [2019-11-07 07:12:33,200 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:12:33 WrapperNode [2019-11-07 07:12:33,200 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 07:12:33,200 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 07:12:33,201 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 07:12:33,201 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 07:12:33,210 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:12:33" (1/1) ... [2019-11-07 07:12:33,210 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:12:33" (1/1) ... [2019-11-07 07:12:33,217 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:12:33" (1/1) ... [2019-11-07 07:12:33,218 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:12:33" (1/1) ... [2019-11-07 07:12:33,227 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:12:33" (1/1) ... [2019-11-07 07:12:33,237 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:12:33" (1/1) ... [2019-11-07 07:12:33,240 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:12:33" (1/1) ... [2019-11-07 07:12:33,243 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 07:12:33,244 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 07:12:33,244 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 07:12:33,244 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 07:12:33,245 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:12:33" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 07:12:33,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 07:12:33,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 07:12:33,302 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-11-07 07:12:33,302 INFO L138 BoogieDeclarations]: Found implementation of procedure update_fifo_q [2019-11-07 07:12:33,302 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2019-11-07 07:12:33,302 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2019-11-07 07:12:33,302 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify_threads [2019-11-07 07:12:33,303 INFO L138 BoogieDeclarations]: Found implementation of procedure do_write_p [2019-11-07 07:12:33,303 INFO L138 BoogieDeclarations]: Found implementation of procedure do_read_c [2019-11-07 07:12:33,303 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2019-11-07 07:12:33,303 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-11-07 07:12:33,303 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-11-07 07:12:33,303 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2019-11-07 07:12:33,304 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2019-11-07 07:12:33,304 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2019-11-07 07:12:33,304 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2019-11-07 07:12:33,304 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2019-11-07 07:12:33,304 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-11-07 07:12:33,304 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-11-07 07:12:33,305 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-11-07 07:12:33,305 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-11-07 07:12:33,305 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 07:12:33,305 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 07:12:33,305 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 07:12:33,305 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-11-07 07:12:33,306 INFO L130 BoogieDeclarations]: Found specification of procedure update_fifo_q [2019-11-07 07:12:33,306 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2019-11-07 07:12:33,306 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2019-11-07 07:12:33,306 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify_threads [2019-11-07 07:12:33,306 INFO L130 BoogieDeclarations]: Found specification of procedure do_write_p [2019-11-07 07:12:33,307 INFO L130 BoogieDeclarations]: Found specification of procedure do_read_c [2019-11-07 07:12:33,307 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2019-11-07 07:12:33,307 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-11-07 07:12:33,307 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-11-07 07:12:33,307 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2019-11-07 07:12:33,307 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2019-11-07 07:12:33,307 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2019-11-07 07:12:33,308 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2019-11-07 07:12:33,308 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2019-11-07 07:12:33,308 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-11-07 07:12:33,308 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-11-07 07:12:33,308 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-11-07 07:12:33,308 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-11-07 07:12:33,308 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 07:12:33,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 07:12:33,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 07:12:33,841 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume 1 == ~q_free~0;~c_dr_st~0 := 2;~c_dr_pc~0 := 2;~a_t~0 := ~a~0; [2019-11-07 07:12:33,841 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume !(1 == ~q_free~0); [2019-11-07 07:12:33,857 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 07:12:33,857 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-07 07:12:33,862 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:12:33 BoogieIcfgContainer [2019-11-07 07:12:33,862 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 07:12:33,863 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-11-07 07:12:33,863 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-11-07 07:12:33,863 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-11-07 07:12:33,864 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:12:33" (1/1) ... [2019-11-07 07:12:33,897 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-11-07 07:12:44,937 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-11-07 07:12:44,974 INFO L272 AbstractInterpreter]: Visited 201 different actions 33046 times. Merged at 106 different actions 12489 times. Widened at 6 different actions 132 times. Performed 157353 root evaluator evaluations with a maximum evaluation depth of 4. Performed 157353 inverse root evaluator evaluations with a maximum inverse evaluation depth of 4. Found 4428 fixpoints after 50 different actions. Largest state had 46 variables. [2019-11-07 07:12:44,975 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-11-07 07:12:44,977 INFO L168 Benchmark]: Toolchain (without parser) took 12240.24 ms. Allocated memory was 137.9 MB in the beginning and 812.1 MB in the end (delta: 674.2 MB). Free memory was 101.1 MB in the beginning and 238.1 MB in the end (delta: -137.1 MB). Peak memory consumption was 537.2 MB. Max. memory is 7.1 GB. [2019-11-07 07:12:44,979 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 137.9 MB. Free memory was 119.8 MB in the beginning and 119.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-11-07 07:12:44,980 INFO L168 Benchmark]: CACSL2BoogieTranslator took 459.55 ms. Allocated memory was 137.9 MB in the beginning and 200.3 MB in the end (delta: 62.4 MB). Free memory was 100.9 MB in the beginning and 176.5 MB in the end (delta: -75.6 MB). Peak memory consumption was 25.1 MB. Max. memory is 7.1 GB. [2019-11-07 07:12:44,981 INFO L168 Benchmark]: Boogie Preprocessor took 43.28 ms. Allocated memory is still 200.3 MB. Free memory was 176.5 MB in the beginning and 174.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-11-07 07:12:44,982 INFO L168 Benchmark]: RCFGBuilder took 618.36 ms. Allocated memory is still 200.3 MB. Free memory was 174.5 MB in the beginning and 139.3 MB in the end (delta: 35.3 MB). Peak memory consumption was 35.3 MB. Max. memory is 7.1 GB. [2019-11-07 07:12:44,983 INFO L168 Benchmark]: Abstract Interpretation took 11111.81 ms. Allocated memory was 200.3 MB in the beginning and 812.1 MB in the end (delta: 611.8 MB). Free memory was 139.3 MB in the beginning and 238.1 MB in the end (delta: -98.9 MB). Peak memory consumption was 513.0 MB. Max. memory is 7.1 GB. [2019-11-07 07:12:44,988 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 137.9 MB. Free memory was 119.8 MB in the beginning and 119.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 459.55 ms. Allocated memory was 137.9 MB in the beginning and 200.3 MB in the end (delta: 62.4 MB). Free memory was 100.9 MB in the beginning and 176.5 MB in the end (delta: -75.6 MB). Peak memory consumption was 25.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 43.28 ms. Allocated memory is still 200.3 MB. Free memory was 176.5 MB in the beginning and 174.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 618.36 ms. Allocated memory is still 200.3 MB. Free memory was 174.5 MB in the beginning and 139.3 MB in the end (delta: 35.3 MB). Peak memory consumption was 35.3 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 11111.81 ms. Allocated memory was 200.3 MB in the beginning and 812.1 MB in the end (delta: 611.8 MB). Free memory was 139.3 MB in the beginning and 238.1 MB in the end (delta: -98.9 MB). Peak memory consumption was 513.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 9]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: abstract domain could reach this error location. Possible FailurePath: [L14] int fast_clk_edge ; [L15] int slow_clk_edge ; [L16] int q_buf_0 ; [L17] int q_free ; [L18] int q_read_ev ; [L19] int q_write_ev ; [L20] int q_req_up ; [L21] int q_ev ; [L42] int p_num_write ; [L43] int p_last_write ; [L44] int p_dw_st ; [L45] int p_dw_pc ; [L46] int p_dw_i ; [L47] int c_num_read ; [L48] int c_last_read ; [L49] int c_dr_st ; [L50] int c_dr_pc ; [L51] int c_dr_i ; [L184] static int a_t ; [L334] static int t = 0; [L545] int __retres1 ; [L549] CALL init_model() [L529] fast_clk_edge = 2 [L530] slow_clk_edge = 2 [L531] q_free = 1 [L532] q_write_ev = 2 [L533] q_read_ev = q_write_ev [L534] p_num_write = 0 [L535] p_dw_pc = 0 [L536] p_dw_i = 1 [L537] c_num_read = 0 [L538] c_dr_pc = 0 [L539] c_dr_i = 1 [L549] RET init_model() [L550] CALL start_simulation() [L467] int kernel_st ; [L468] int tmp ; [L469] int tmp___0 ; [L473] kernel_st = 0 [L474] CALL update_channels() [L248] COND FALSE !((int )q_req_up == 1) [L474] RET update_channels() [L475] CALL init_threads() [L263] COND TRUE (int )p_dw_i == 1 [L264] p_dw_st = 0 [L268] COND TRUE (int )c_dr_i == 1 [L269] c_dr_st = 0 [L475] RET init_threads() [L476] CALL fire_delta_events() [L301] COND FALSE !((int )q_read_ev == 0) [L306] COND FALSE !((int )q_write_ev == 0) [L476] RET fire_delta_events() [L477] CALL activate_threads() [L370] int tmp ; [L371] int tmp___0 ; [L375] CALL, EXPR is_do_write_p_triggered() [L53] int __retres1 ; [L56] COND FALSE !((int )p_dw_pc == 1) [L66] COND FALSE !((int )p_dw_pc == 2) [L76] __retres1 = 0 [L78] return (__retres1); [L375] RET, EXPR is_do_write_p_triggered() [L375] tmp = is_do_write_p_triggered() [L377] COND FALSE !(\read(tmp)) [L383] CALL, EXPR is_do_read_c_triggered() [L82] int __retres1 ; [L85] COND FALSE !((int )c_dr_pc == 1) [L95] COND FALSE !((int )c_dr_pc == 2) [L105] __retres1 = 0 [L107] return (__retres1); [L383] RET, EXPR is_do_read_c_triggered() [L383] tmp___0 = is_do_read_c_triggered() [L385] COND FALSE !(\read(tmp___0)) [L477] RET activate_threads() [L478] CALL reset_delta_events() [L319] COND FALSE !((int )q_read_ev == 1) [L324] COND FALSE !((int )q_write_ev == 1) [L478] RET reset_delta_events() [L481] COND TRUE 1 [L484] kernel_st = 1 [L485] CALL eval() [L395] int tmp ; [L396] int tmp___0 ; [L397] int tmp___1 ; [L400] COND TRUE 1 [L403] CALL, EXPR exists_runnable_thread() [L278] int __retres1 ; [L281] COND TRUE (int )p_dw_st == 0 [L282] __retres1 = 1 [L294] return (__retres1); [L403] RET, EXPR exists_runnable_thread() [L403] tmp___1 = exists_runnable_thread() [L405] COND TRUE \read(tmp___1) [L410] COND TRUE (int )p_dw_st == 0 [L412] tmp = __VERIFIER_nondet_int() [L414] COND FALSE !(\read(tmp)) [L425] COND TRUE (int )c_dr_st == 0 [L427] tmp___0 = __VERIFIER_nondet_int() [L429] COND TRUE \read(tmp___0) [L431] c_dr_st = 1 [L432] CALL do_read_c() [L186] int a ; [L189] COND TRUE (int )c_dr_pc == 0 [L200] COND TRUE 1 [L202] c_dr_st = 2 [L203] c_dr_pc = 1 [L204] a_t = a [L432] RET do_read_c() [L400] COND TRUE 1 [L403] CALL, EXPR exists_runnable_thread() [L278] int __retres1 ; [L281] COND TRUE (int )p_dw_st == 0 [L282] __retres1 = 1 [L294] return (__retres1); [L403] RET, EXPR exists_runnable_thread() [L403] tmp___1 = exists_runnable_thread() [L405] COND TRUE \read(tmp___1) [L410] COND TRUE (int )p_dw_st == 0 [L412] tmp = __VERIFIER_nondet_int() [L414] COND TRUE \read(tmp) [L416] p_dw_st = 1 [L417] CALL do_write_p() [L139] COND FALSE !((int )p_dw_pc == 0) [L142] COND TRUE (int )p_dw_pc == 1 [L161] COND FALSE !((int )q_free == 0) [L171] q_buf_0 = __VERIFIER_nondet_int() [L172] p_last_write = q_buf_0 [L173] p_num_write += 1 [L174] q_free = 0 [L175] q_req_up = 1 [L154] COND TRUE 1 [L156] p_dw_st = 2 [L157] p_dw_pc = 1 [L417] RET do_write_p() [L425] COND FALSE !((int )c_dr_st == 0) [L400] COND TRUE 1 [L403] CALL, EXPR exists_runnable_thread() [L278] int __retres1 ; [L281] COND TRUE (int )p_dw_st == 0 [L282] __retres1 = 1 [L294] return (__retres1); [L403] RET, EXPR exists_runnable_thread() [L403] tmp___1 = exists_runnable_thread() [L405] COND TRUE \read(tmp___1) [L410] COND TRUE (int )p_dw_st == 0 [L412] tmp = __VERIFIER_nondet_int() [L414] COND FALSE !(\read(tmp)) [L425] COND TRUE (int )c_dr_st == 0 [L427] tmp___0 = __VERIFIER_nondet_int() [L429] COND TRUE \read(tmp___0) [L431] c_dr_st = 1 [L432] CALL do_read_c() [L186] int a ; [L189] COND FALSE !((int )c_dr_pc == 0) [L192] COND TRUE (int )c_dr_pc == 2 [L215] a = a_t [L219] a = q_buf_0 [L220] c_last_read = a [L221] c_num_read += 1 [L222] q_free = 1 [L223] q_req_up = 1 [L224] COND FALSE !(p_last_write == c_last_read) [L234] CALL error() [L9] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...